item

record item {
  amount-discount: s32,
  amount-subtotal: s32,
  amount-tax: s32,
  amount-total: s32,
  currency: string,
  description: string,
  discounts: option​<list​<line-items-discount-amount>>,
  id: string,
  object: item-object-enum,
  price: option​<string>,
  quantity: option​<s32>,
  taxes: option​<list​<line-items-tax-amount>>,
}